This is a note to let you know that I've just added the patch titled
net: hns3: fix always enable rx vlan filter problem after selftest
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-hns3-fix-always-enable-rx-vlan-filter-problem-af.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 108034cff84be5f156d3acc500a56922c6f71d3f
Author: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
Date: Wed Sep 29 17:35:55 2021 +0800
net: hns3: fix always enable rx vlan filter problem after selftest
[ Upstream commit 27bf4af69fcb9845fb2f0076db5d562ec072e70f ]
Currently, the rx vlan filter will always be disabled before selftest and
be enabled after selftest as the rx vlan filter feature is fixed on in
old device earlier than V3.
However, this feature is not fixed in some new devices and it can be
disabled by user. In this case, it is wrong if rx vlan filter is enabled
after selftest. So fix it.
Fixes: bcc26e8dc432 ("net: hns3: remove unused code in hns3_self_test()")
Signed-off-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 69b253424da8..83ee0f41322c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -348,7 +348,8 @@ static void hns3_selftest_prepare(struct net_device *ndev,
#if IS_ENABLED(CONFIG_VLAN_8021Q)
/* Disable the vlan filter for selftest does not support it */
- if (h->ae_algo->ops->enable_vlan_filter)
+ if (h->ae_algo->ops->enable_vlan_filter &&
+ ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
h->ae_algo->ops->enable_vlan_filter(h, false);
#endif
@@ -373,7 +374,8 @@ static void hns3_selftest_restore(struct net_device *ndev, bool if_running)
h->ae_algo->ops->halt_autoneg(h, false);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
- if (h->ae_algo->ops->enable_vlan_filter)
+ if (h->ae_algo->ops->enable_vlan_filter &&
+ ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
h->ae_algo->ops->enable_vlan_filter(h, true);
#endif
